Oct 20, 2023


Used by the golang test suite, and now broken out into a package, it asserts command output and includes full files.

For example, this script asserts that "cat" prints hello world to stdout and nothing to stderr (I think, if I'm reading it right!)

# hello world
exec cat hello.text
stdout 'hello world\n'
! stderr .

-- hello.text --
hello world

found via https://encore.dev/blog/testscript-hidden-testing-gem ; I had seen it in the golang source before but never bothered to look at it in more detail.

A good model of creating tests that match your app.

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